[1] CHU Caen, Dept Urol, Caen, France
[2] CHU Rennes, Dept Urol, Rennes, France
[3] Univ Montpellier, Dept Urol, Montpellier, France
[4] Univ Paris Sud, Dept Urol, CHU Bicetre, Paris, France
[5] Univ Lyon, Dept Urol, Lyon, France
[6] Univ Clermont Ferrand, Dept Urol, Clermont Ferrand, France
[7] Univ Strasbourg, Dept Urol, Strasbourg, France
[8] Univ Angers, Dept Urol, Angers, France
[9] Univ Amiens, Dept Urol, Amiens, France
[10] Univ Rouen, Dept Urol, Rouen, France
[11] Univ Lille, Dept Urol, Lille, France
[12] Univ Toulouse, Dept Urol, Toulouse, France
[13] Univ Orleans, Dept Urol, Orleans, France
[14] Univ Paris 05, Dept Urol, Paris, France
[15] Univ Nantes, Dept Urol, Nantes, France
[16] Univ Grenoble, Dept Urol, Grenoble, France
[17] Univ Tours, Dept Urol, Tours, France